Finding the Fourth Proportional to 90,364.34, 135,362.43 and 42,835.37

Step by Step Solution

1. Step 1: Write the proportion equation
   90,364.34 : 135,362.43 = 42,835.37 : x
2. Step 2: Convert to fraction form
   90,364.34/135,362.43 = 42,835.37/x
3. Step 3: Cross multiply
   90,364.34x = 135,362.43 × 42,835.37
4. Step 4: Simplify right side
   90,364.34x = 5,798,299,096.34
5. Step 5: Solve for x
   x = 5,798,299,096.34/90,364.34
6. Step 6: Final answer
   x = 64,165.79